Vulnerability Report

CVE-2026-38431

RCE

Title: Server-Side Template Injection

RCE

Proof Of Concept

No public PoC currently indexed for CVE-2026-38431.

CWE Category CWE-94

Published Date May 05, 2026

Modified Date May 08, 2026

Exploit Status Not Found

Score 9.8 CVSS v3.1

Exploit Probability (EPSS)

0.39%

Vulnerability Summary

CVE-2026-38431: ERPNext v15.103.1 and before is vulnerable to Server-Side Template Injection (SSTI). An attacker with permission to create or edit email templates can inject template expressions that are executed on the server when the template is rendered.

Impacted Vendors

erpnext 1

frappe 1

Reference Links

https://c0wking.hashnode.dev/ssti-in-erpnext-frappe-email-template-engine https://c0wking.hashnode.dev/ssti-in-erpnext-frappe-email-template-engine

CVSS v3.1

Source Entity 134c704f-9b21-4f2e-91b3-4a467353bcc0

Severity CRITICAL

9.8

Attack Vector

NETWORK

Complexity

LOW

Privileges

N/A

Interaction

NONE

Confidentiality

N/A

Integrity

N/A

Availability

N/A

Scope

UNCHANGED

RAW VECTOR CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Associated Attack Patterns (CAPEC)

Total: Patterns

CVE-2026-38431 Exploits & PoCs (Proof Of Concept)

No public PoCs found in our database for this CVE.

May 08, 2026 MODIFIED

Vulnerability data updated via NVD.

May 07, 2026 MODIFIED

Vulnerability data updated via NVD.

May 07, 2026 MODIFIED

Vulnerability data updated via NVD.

Attack Vector Matrix

Access Vector NETWORK

Complexity LOW

Privileges N/A

Interaction NONE

CVSS Vector String


                                    CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected Stack

No specific products linked.